How-to Twist on RV lampshades Step 1: Uninstall LED Light Diffuser Step 2: Install Button Extension – press firmly Step 3: Install LED Light Diffuser on RV Lamp Shade Step 4: Twist-on to your LED light fixture Please leave this field empty15% off, especially for you Sign up to receive your exclusive discount,and keep up to date on our latest products & offers! We don’t spam! Read our privacy policy for more info. You’ve been successfully subscribed to our newsletter!